Home / 148,591.95-222,880.10-48,739

Finding the Fourth Proportional to 148,591.95, 222,880.10 and 48,739

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Solution

The fourth proportional to 148,591.95, 222,880.10 and 48,739 is: 73,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,591.95 : 222,880.10 = 48,739 : x
  2. Step 2: Convert to fraction form
    148,591.95/222,880.10 = 48,739/x
  3. Step 3: Cross multiply
    148,591.95x = 222,880.10 × 48,739
  4. Step 4: Simplify right side
    148,591.95x = 10,862,952,950.21
  5. Step 5: Solve for x
    x = 10,862,952,950.21/148,591.95
  6. Step 6: Final answer
    x = 73,105.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.